HappyBison Distinguished Oct 7, 2009 12 0 18,570 Oct 8, 2009 #2 The easiest way is to replace it. If you are good with electronics, you could also try to connect a backlight lamp which is knowingly works and see if it will light up.
The easiest way is to replace it. If you are good with electronics, you could also try to connect a backlight lamp which is knowingly works and see if it will light up.